Spray gun



FIG. 1 is a front left perspective view of a spray gun;

FIG. 2 is a left side view of the spray gun;

FIG. 3 is a right side view of the spray gun;

FIG. 4 is a front view of the spray gun;

FIG. 5 is a rear view of the spray gun;

FIG. 6 is a top view of the spray gun; and,

FIG. 7 is a bottom view of the spray gun. 

CLAIM The ornamental design for the spray gun, as shown, or as shown and described. 